Some synonyms for "important" include:
- Essential
- Significant
- Crucial
- Substantial
- Major
- Monumental
- Pivotal
- Critical
- Consequential
- Momentous
- Weighty
- Earth-shattering
These words can be used to convey the same meaning as "important" in different contexts. For example, "essential" might be used to describe something that is necessary for a particular task or goal, while "momentous" might be used to describe an event that has great historical significance.